1. School of Computer Science and Engineering, University of Central South University, Hunan, China
2. School of Information and Communication Engineering, University of Electronics Science and Technology, Chengdu, China
3. Anhui Polytechnic University, Wuhu, Anhui, China
4. School of Computer Science and Technology, Anhui University, Hefei, China
5. Department of Computer Science, Air University, Islamabad, Pakistan
6. IoT Research Center, College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
7. School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
8. Department of Electrical and Electronic Engineering, Ho Technical University, Ho, Ghana